<?php
# Copyright 2010 Google Inc.
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#    http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

function getOrDefault($var, $default) {
  return (isset($_GET[$var])) ? $_GET[$var] : $default;
}


function getKmlListUrls($filepath) {
  $handle = @fopen($filepath, "r");
  $urls = array();
  if ($handle) {
    while (!feof($handle)) {
      $buffer = fgets($handle);
      if ($url = trim($buffer)) {
        if ($url != '') {
          $urls[md5($url)] = $url;
        }
      }
    }
    fclose($handle);
    return $urls;
  }
  else {
    echo "No file at: $filepath";
    exit(1);
  }
}

?>
